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<body><BR>Dear all<BR>
<BR>
Thank you for all of your input. I configured vpdn ip udp ignore checksum<BR>
& I have corrected a mis-config on our radius server (passing compression attribute to cisco) now that the L2TP data daemon is running normal, but I am still facing high cpu on Pool Manager & IP Input<BR>
anymore suggestions?<BR>
<BR>
<BR>
CPU utilization for five seconds: 91%/44%; one minute: 91%; five minutes: 86%<BR> PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process <BR> 1 4 175 22 0.00% 0.00% 0.00% 0 Chunk Manager <BR> 2 487964 5014024 97 0.00% 0.00% 0.00% 0 Load Meter <BR> 3 1606476 870141 1846 0.00% 0.00% 0.00% 0 CEF Scanner <BR> 4 22428792 3318958 6757 0.00% 0.06% 0.05% 0 Check heaps <BR> 5 481842360 102963163 4679 9.05% 9.70% 7.90% 0 Pool Manager <BR> 37 11275060121049358292 1074 36.02% 35.07% 32.40% 0 IP Input <BR><BR>Thank You<BR>
<BR>
Anthony<BR><BR><BR><BR>
<HR id=stopSpelling>
<BR>
> Date: Wed, 24 Jan 2007 02:37:10 +0200<BR>> From: nitzan.tzelniker@gmail.com<BR>> To: antnada@hotmail.com<BR>> Subject: Re: [cisco-bba] need help on troubleshooting high cpu on 7206 NPE300 LNS<BR>> CC: cisco-bba@puck.nether.net<BR>> <BR>> You can try<BR>> <BR>> vpdn ip udp ignore checksum<BR>> <BR>> Nitzan<BR>> <BR>> On 1/24/07, Anthony Law <antnada@hotmail.com> wrote:<BR>> > Dear all,<BR>> ><BR>> > We have a 7206 w/NPE300 running as a LNS terminating pppoe sessions from our<BR>> > telco. We are concurrently running around 360 pppoe sessions.<BR>> ><BR>> > Recently. I noticed that our 7206 is having extremely high cpu, at times<BR>> > going to 100%, please see below<BR>> ><BR>> > CPU utilization for five seconds: 99%/42%; one minute: 99%; five minutes:<BR>> > 99%<BR>> > PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process<BR>> > 1 0 75 0 0.00% 0.00% 0.00% 0 Chunk Manager<BR>> ><BR>> ><BR>> > 5 472509060 101324023 4663 7.65% 8.80% 8.84% 0 Pool Manager<BR>> ><BR>> > 37 10810547881019294234 1060 22.79% 25.16% 25.51% 0 IP Input<BR>> ><BR>> ><BR>> > 101 705044020 800103660 881 18.89% 21.35% 19.34% 0 L2TP data<BR>> > daemon<BR>> > 102 53153196 10197928 5212 2.19% 0.46% 0.45% 0 L2TP mgmt<BR>> > daemon<BR>> ><BR>> ><BR>> > It seemed that Pool Manager + IP Input + L2TP data daemon together is<BR>> > causing this issue. I was searching for documents regarding this on google<BR>> > and came to this mailing list. I am wondering if you guys can help me out by<BR>> > identifying the mis-configuration that I have on my end as it is my<BR>> > understanding that a 7206 should at least take close 1000 pppoe sessions.<BR>> > Thank You in advance for your input.<BR>> ><BR>> ><BR>> > hostname LNS<BR>> > !<BR>> > boot system slot1:c7200-is-mz.122-32.bin<BR>> > boot system slot1:c7200-is-mz.120-3.T3<BR>> > aaa new-model<BR>> > aaa authentication login default local<BR>> > aaa authentication login no_rad line<BR>> > aaa authentication ppp default group radius local<BR>> > aaa authentication ppp vpdn group radius<BR>> > aaa authorization network default group radius<BR>> > aaa authorization configuration default group radius<BR>> > aaa accounting delay-start<BR>> > aaa accounting exec default start-stop group radius<BR>> > aaa accounting network default start-stop group radius<BR>> > enable secret 5 XXXXXXXXXXXXXXXXXXXXXXXXXXX<BR>> > !<BR>> > clock timezone EST -5<BR>> > clock summer-time EDT recurring<BR>> > ip subnet-zero<BR>> > no ip source-route<BR>> > ip cef<BR>> > !<BR>> > !<BR>> > ip name-server XXXXXX<BR>> > ip name-server XXXXXX<BR>> > ip name-server XXXXXX<BR>> > !<BR>> > vpdn enable<BR>> > !<BR>> > vpdn-group XXXXXXXX<BR>> > accept-dialin<BR>> > protocol l2tp<BR>> > virtual-template 1<BR>> > terminate-from hostname XXXXXX<BR>> > local name XXXXXXX<BR>> > lcp renegotiation always<BR>> > !<BR>> > interface FastEthernet0/0<BR>> > ip address X.X.X.X 255.255.255.192<BR>> > no ip mroute-cache<BR>> > duplex full<BR>> > !<BR>> > interface FastEthernet1/0<BR>> > no ip address<BR>> > no ip mroute-cache<BR>> > duplex full<BR>> > !<BR>> > interface FastEthernet1/0.401<BR>> > description !!XXXXXXXXXXXXXXXXXXXXXXXX!!<BR>> > encapsulation dot1Q 401<BR>> > ip address 10.70.X.X 255.255.255.252<BR>> > no ip mroute-cache<BR>> > !<BR>> > interface FastEthernet2/0<BR>> > description !!Internet Feed!!<BR>> > ip address Y.Y.Y.Y 255.255.255.252<BR>> > no ip mroute-cache<BR>> > duplex full<BR>> > !<BR>> > interface Virtual-Template1<BR>> > mtu 1492<BR>> > ip unnumbered FastEthernet2/0<BR>> > peer default ip address pool internet1 internet2<BR>> > ppp authentication pap vpdn<BR>> > !<BR>> > ip local pool internet1 A.A.A.A B.B.B.B<BR>> > ip local pool internet2 C.C.C.C D.D.D.D<BR>> > ip classless<BR>> > ip route 0.0.0.0 0.0.0.0 Y.Y.Y.Y<BR>> > no ip http server<BR>> > !<BR>> > ip radius source-interface FastEthernet0/0<BR>> > radius-server host X.X.X.X auth-port 1645 acct-port 1646<BR>> > radius-server host X.X.X.X auth-port 1645 acct-port 1646<BR>> > radius-server key 7 ZZZZZZZZZZZZZZZ<BR>> ><BR>> > Anthony<BR>> ><BR>> > ________________________________<BR>> > Be one of the first to try Windows Live Mail.<BR>> > _______________________________________________<BR>> > cisco-bba mailing list<BR>> > cisco-bba@puck.nether.net<BR>> > https://puck.nether.net/mailman/listinfo/cisco-bba<BR>> ><BR>> ><BR>> ><BR><BR><br /><hr />Be one of the first to try <a href='http://ideas.live.com/programpage.aspx?versionId=5d21c51a-b161-4314-9b0e-4911fb2b2e6d' target='_new'>Windows Live Mail.</a></body>
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